South Twin Sister
Weather Forecast, United States

 

Days 0-3 South Twin Sister Weather Summary:

Some drizzle, heaviest during Sun afternoon. Very mild (max 19°C on Tue afternoon, min 6°C on Sun night). Wind will be generally light.

Days 3-6 South Twin Sister Weather Summary:

Light rain (total 7mm), mostly falling on Fri morning. Warm (max 20°C on Wed afternoon, min 8°C on Fri night). Wind will be generally light.

AM PM night AM PM night AM PM night AM PM night AM PM night AM PM night
partially cloudy
rain showers
partially cloudy
partially cloudy
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
light rain
partially cloudy
Wind km/h
5 WSW5
5 W5
5 NE5
5 N5
5 WNW5
5 ENE5
0 NNE0
5 NW5
5 NE5
5 NNW5
5 W5
5 ENE5
5 W5
10 W10
0 E0
10 NE10
15 NE15
10 ENE10
some clouds rain shwrs some clouds some clouds clear clear clear clear clear clear clear clear clear clear clear rain shwrs light rain some clouds
Rain
Rain mm
- 1 - - - - - - - - - - - - - 3 4 -
Snow
Snow cm
- - - - - - - - - - - - - - - - - -
High °C
9 11 9 12 15 12 17 19 15 18 20 16 18 20 16 11 11 9
Low °C
7 11 6 7 15 10 11 18 13 13 20 14 14 20 12 11 11 8
Chill °C
9 10 9 12 15 12 17 19 15 18 20 16 18 20 16 10 10 7
Freezing level m
1950 2200 2600 2900 3200 3400 3400 3700 3950 4200 4450 4450 4300 3850 3400 2350 2300 2050
Sea lvl3000ft6000ft9000ft12000ft15000ft
mountain backdrop
-1023566899111111109210244589101212121313121212654911912151217191518201618201611119
Sunrise
6:54 - - 6:56 - - 6:58 - - 7:00 - - 7:01 - - 7:01 - -
Sunset
- 7:02 - - 7:00 - - 6:59 - - 6:57 - - 6:54 - - 6:52 -

Issued local time.

This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.

Live conditions reported by 5 closest weather stations

Weather StationTemp.WeatherWind
Cloud
Visibility
Cloud / Visibility
Lyman
19 km S
155m alt.
1 hour ago
10° C
Dry
0
Calm
(0 kph at 239).
Bellingham
25 km WSW
198m alt.
2 hours ago
10° C
Dry
2
Calm
(2 kph at 225).
Deming
25 km WNW
102m alt.
2 hours ago
11° C
Dry
2
Calm
(2 kph at 59).
Bellingham
29 km W
71m alt.
2 hours ago
11° C
Dry
0
Calm
(0 kph at 45).
Bellingham
32 km W
130m alt.
2 hours ago
4° C
Dry
0
Calm
(0 kph at 142).

* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones. We also include passing Ship data if it is recorded close to South Twin Sister and within an acceptable time window.